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发明名称
Perfectionnements apportés aux engins de navigation aérienne
摘要
申请公布号
FR52257(E)
申请公布日期
1943.12.01
申请号
FRD52257
申请日期
1941.03.21
申请人
发明人
LEMOIGNE PIERRE-MARCEL
分类号
B64C23/06
主分类号
B64C23/06
代理机构
代理人
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